Salish Sea Marine Survival Project

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The Salish Sea Marine Survival Project leverages human and financial resources from the United States and Canada to determine the primary factors affecting the survival of juvenile salmon and steelhead in the Salish Sea. It is the largest and most important research of its kind in the shared waters of British Columbia and Washington State, addressing a key uncertainty impeding salmon recovery and sustainable fisheries. The project will, for the first time, undertake a comprehensive study of the physical, chemical and biological factors impacting salmon survival, in order to improve our collective understanding of salmon in saltwater, facilitating smarter management and stronger returns.

Notes

Key Findings

  • File:Pearsall et al 2021 salmon marine survival synthesis.pdf provides a broad overview of all hypotheses evaluated and our current state of knowledge.
  • Hatchery release period has become more concentrated, with most fish released in May. This concentration of hatchery releases may be affecting survival through competition for food. The mechanism are not well defined.